Home / 7,870,155.03-10,865,828.57-6,423,301.71

Finding the Fourth Proportional to 7,870,155.03, 10,865,828.57 and 6,423,301.71

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Solution

The fourth proportional to 7,870,155.03, 10,865,828.57 and 6,423,301.71 is: 8,868,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,155.03 : 10,865,828.57 = 6,423,301.71 : x
  2. Step 2: Convert to fraction form
    7,870,155.03/10,865,828.57 = 6,423,301.71/x
  3. Step 3: Cross multiply
    7,870,155.03x = 10,865,828.57 × 6,423,301.71
  4. Step 4: Simplify right side
    7,870,155.03x = 69,794,495,234,247.86
  5. Step 5: Solve for x
    x = 69,794,495,234,247.86/7,870,155.03
  6. Step 6: Final answer
    x = 8,868,249.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.